ast/ast_test.go


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

package ast

import (
	"mana/tokens"
	"testing"
)

func TestString(t *testing.T) {
	var program = &Program{
		Statements: []Statement{
			&LetStatement{
				Token: tokens.Token{Type: tokens.LET, Literal: "let"},
				Name: &Identifier{
					Token: tokens.Token{Type: tokens.IDENT, Literal: "myVar"},
					Value: "myVar",
				},
				Value: &Identifier{
					Token: tokens.Token{Type: tokens.IDENT, Literal: "anotherVar"},
					Value: "anotherVar",
				},
			},
		},
	}

	if program.String() != "let myVar = anotherVar;" {
		t.Errorf("program.String() wrong. got=%q", program.String())
	}
}